I found a number of things interesting when reading the following post:
http://www.offensive-security.com/vulndev/freepbx-exploit-phone-home/
Too bad that nmap’s interactive mode was taken out, but there are a great number of other such methods, most notably VI’s shell mode. But when I started looking into appending or inserting lines into /etc/sudoers for CCDC, I happened upon an interesting function of that file. Near the end of the file there are two lines:
↧